Environmental Impact Flashcard

Front

What is the impact of modern agricultural methods on insect populations?

Back

Modern agricultural methods can create serious insect problems primarily because they provide concentrated areas of food for insects.

Front

How can human activities change the dynamic equilibrium of an ecosystem?

Back

Human activities, such as water pollution, can directly change the dynamic equilibrium of an ecosystem by causing a decrease in fish populations in a river.

Front

What is a negative impact on ecosystems?

Back

Constructing highways can have a negative impact on ecosystems.

Front

What is the immediate result of deforestation?

Back

Deforestation will most directly result in an immediate increase in atmospheric carbon dioxide.

Front

What is a likely cause of changes in life expectancy related to population dynamics?

Back

A decrease in natural checks, such as disease, on the population is a likely cause of changes in life expectancy.

Front

Define 'ecosystem'.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is 'biodiversity'?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

Explain the term 'sustainable development'.

Back

Sustainable development is a way of using resources that meets the needs of the present without compromising the ability of future generations to meet their own needs.

Front

What is 'pollution'?

Back

Pollution is the introduction of harmful substances or products into the environment.

Front

What are 'renewable resources'?

Back

Renewable resources are natural resources that can be replenished naturally over time, such as solar energy, wind energy, and timber.